Cheap flights from London to Istanbul from €104

The month of November is another great option to travel to Istanbul, with average flight prices from London averaging around €92.

The cheapest day to depart from London to Istanbul is on a Monday. Travellers who choose to depart for Istanbul on a Monday will often find tickets for as low as €95. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to Istanbul for around €997.

Our most recent data shows that the best time of day to fly to Istanbul is at midday. Flights from London to Istanbul during this time can be as low as €220. Try not to purchase tickets in the morning because they tend to be around €647. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from London Stansted to Istanbul Sabiha Gokcen for the best London - Istanbul flight prices

You are more likely to see cheaper flights to Istanbul from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around €257 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from London for as low as €235 on momondo.

There are 2 cabin classes available to choose from on London to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 13% of flights between London and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 128 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Turkish Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

As of February 2026, 34 flights take off from London and land in Istanbul each day. The most common flight departure time for this route is 17:00, with 50% of daily flights taking off in the afternoon.

242 flights are operational weekly from London to Istanbul as of February 2026. The most popular departure day for this route is Thu, with 20% of flights per week taking off on this day.